http://abcnews.go.com/Politics/donald-trump-refuses-thinks-president-obama-born-us/story?id=33879299
The release of something that was purported to be a “Certificate of Live Birth” from the State of Hawaii had a number of inconsistencies when examined closely. This document and others were intensively studied by Sheriff Joseph Arpaio of Maricopa County, Arizona, which strongly suggested that the the certificate may have been tampered with, resulting in a plausible reproduction that would pass cursory examination, but like a currency forgery, certain inconsistencies showed up that indicated the document may have been photoshopped.